7
6
page 17
Société des Anciens Établissements L.GEISMAR
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Chapter 4 – Equipment tensioner
4 – 1
Constitution of the TH 70 VLA Rail Tensioner
The TH 70 VLA Tensioner consists of:
– 2 hydraulic cylinders (
1
)
– 2 clamping assemblers (
2
)
– 2 tie rods (
3
)
– 2 fitting appliances (
4
)
H
YDRAULIC
CYLINDERS
Double-acting, these make it possible to exert on the
rail either a traction or a compression. They are equipped
with quick screw couplings (
6
) and 2 drain screws (
7
).
Pressure limiters calibrated in the factory, mounted on the
unit, limit the thrust and traction forces. The long travel of
the cylinders serves to compensate for any irregularities in
travel.
2
3
4
1
